Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [4410,2,Mod(1,4410)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(4410, base_ring=CyclotomicField(2))
chi = DirichletCharacter(H, H._module([0, 0, 0]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("4410.1");
S:= CuspForms(chi, 2);
N := Newforms(S);
| Level: | \( N \) | \(=\) | \( 4410 = 2 \cdot 3^{2} \cdot 5 \cdot 7^{2} \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 4410.a (trivial) |
Newform invariants
comment: select newform
sage: f = N[0] # Warning: the index may be different
gp: f = lf[1] \\ Warning: the index may be different
| Self dual: | yes |
| Analytic conductor: | \(35.2140272914\) |
| Analytic rank: | \(1\) |
| Dimension: | \(1\) |
| Coefficient field: | \(\mathbb{Q}\) |
| Coefficient ring: | \(\mathbb{Z}\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | no (minimal twist has level 210) |
| Fricke sign: | \(1\) |
| Sato-Tate group: | $\mathrm{SU}(2)$ |
$q$-expansion
comment: q-expansion
sage: f.q_expansion() # note that sage often uses an isomorphic number field
gp: mfcoefs(f, 20)
Embeddings
For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.
For more information on an embedded modular form you can click on its label.
comment: embeddings in the coefficient field
gp: mfembed(f)
| Label | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.1 |
|
−1.00000 | 0 | 1.00000 | −1.00000 | 0 | 0 | −1.00000 | 0 | 1.00000 | |||||||||||||||||||||
Atkin-Lehner signs
| \( p \) | Sign |
|---|---|
| \(2\) | \(1\) |
| \(3\) | \(-1\) |
| \(5\) | \(1\) |
| \(7\) | \(-1\) |
Inner twists
This newform does not admit any (nontrivial) inner twists.
Twists
| By twisting character orbit | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
| 1.a | even | 1 | 1 | trivial | 4410.2.a.f | 1 | |
| 3.b | odd | 2 | 1 | 1470.2.a.m | 1 | ||
| 7.b | odd | 2 | 1 | 630.2.a.f | 1 | ||
| 15.d | odd | 2 | 1 | 7350.2.a.bd | 1 | ||
| 21.c | even | 2 | 1 | 210.2.a.d | ✓ | 1 | |
| 21.g | even | 6 | 2 | 1470.2.i.d | 2 | ||
| 21.h | odd | 6 | 2 | 1470.2.i.h | 2 | ||
| 28.d | even | 2 | 1 | 5040.2.a.ba | 1 | ||
| 35.c | odd | 2 | 1 | 3150.2.a.ba | 1 | ||
| 35.f | even | 4 | 2 | 3150.2.g.o | 2 | ||
| 84.h | odd | 2 | 1 | 1680.2.a.b | 1 | ||
| 105.g | even | 2 | 1 | 1050.2.a.a | 1 | ||
| 105.k | odd | 4 | 2 | 1050.2.g.h | 2 | ||
| 168.e | odd | 2 | 1 | 6720.2.a.cc | 1 | ||
| 168.i | even | 2 | 1 | 6720.2.a.bb | 1 | ||
| 420.o | odd | 2 | 1 | 8400.2.a.cn | 1 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 210.2.a.d | ✓ | 1 | 21.c | even | 2 | 1 | |
| 630.2.a.f | 1 | 7.b | odd | 2 | 1 | ||
| 1050.2.a.a | 1 | 105.g | even | 2 | 1 | ||
| 1050.2.g.h | 2 | 105.k | odd | 4 | 2 | ||
| 1470.2.a.m | 1 | 3.b | odd | 2 | 1 | ||
| 1470.2.i.d | 2 | 21.g | even | 6 | 2 | ||
| 1470.2.i.h | 2 | 21.h | odd | 6 | 2 | ||
| 1680.2.a.b | 1 | 84.h | odd | 2 | 1 | ||
| 3150.2.a.ba | 1 | 35.c | odd | 2 | 1 | ||
| 3150.2.g.o | 2 | 35.f | even | 4 | 2 | ||
| 4410.2.a.f | 1 | 1.a | even | 1 | 1 | trivial | |
| 5040.2.a.ba | 1 | 28.d | even | 2 | 1 | ||
| 6720.2.a.bb | 1 | 168.i | even | 2 | 1 | ||
| 6720.2.a.cc | 1 | 168.e | odd | 2 | 1 | ||
| 7350.2.a.bd | 1 | 15.d | odd | 2 | 1 | ||
| 8400.2.a.cn | 1 | 420.o | odd | 2 | 1 | ||
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(4410))\):
|
\( T_{11} \)
|
|
\( T_{13} + 2 \)
|
|
\( T_{17} + 6 \)
|
|
\( T_{19} - 4 \)
|
|
\( T_{29} - 6 \)
|
|
\( T_{31} - 4 \)
|
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( T + 1 \)
|
| $3$ |
\( T \)
|
| $5$ |
\( T + 1 \)
|
| $7$ |
\( T \)
|
| $11$ |
\( T \)
|
| $13$ |
\( T + 2 \)
|
| $17$ |
\( T + 6 \)
|
| $19$ |
\( T - 4 \)
|
| $23$ |
\( T \)
|
| $29$ |
\( T - 6 \)
|
| $31$ |
\( T - 4 \)
|
| $37$ |
\( T - 2 \)
|
| $41$ |
\( T - 6 \)
|
| $43$ |
\( T - 8 \)
|
| $47$ |
\( T + 12 \)
|
| $53$ |
\( T + 6 \)
|
| $59$ |
\( T + 12 \)
|
| $61$ |
\( T + 2 \)
|
| $67$ |
\( T - 8 \)
|
| $71$ |
\( T \)
|
| $73$ |
\( T + 14 \)
|
| $79$ |
\( T + 16 \)
|
| $83$ |
\( T - 12 \)
|
| $89$ |
\( T - 6 \)
|
| $97$ |
\( T + 14 \)
|
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